550432405512 has 48 divisors (see below), whose sum is σ = 1626277564080. Its totient is φ = 166797698400.

The previous prime is 550432405499. The next prime is 550432405517. The reversal of 550432405512 is 215504234055.

550432405512 is a `hidden beast` number, since 550 + 4 + 3 + 2 + 40 + 55 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (550432405517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 347494414 + ... + 347495997.

It is an arithmetic number, because the mean of its divisors is an integer number (33880782585).

Almost surely, 2^550432405512 is an apocalyptic number.

It is an amenable number.

550432405512 is an abundant number, since it is smaller than the sum of its proper divisors (1075845158568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550432405512 is a wasteful number, since it uses less digits than its factorization.

550432405512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694990434 (or 694990427 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 550432405512 its reverse (215504234055), we get a palindrome (765936639567).

The spelling of 550432405512 in words is "five hundred fifty billion, four hundred thirty-two million, four hundred five thousand, five hundred twelve".